Use the following tips as a guide.
When measuring, try to have your dog stand in a relaxed stance. Use soft tape
measure, and measure completely each body part (neck - chest –
back/length) Keep the measuring tape slightly loose. Back: Measure from the base of the neck to the base of the tail. Neck: Measure all the way around the neck at top of the shoulders.Chest: Measure all
the way around broadest/barrel part of chest or ribcage.